Up Your Score SAT, 2018-2019 Edition The Underground Guide to Outsmarting The Test

So, to jump right in here, what is the measure of angle x if A and B are
similar triangles?

Answer: x = 50º. Why? Because both triangles have a 70º angle and a 60º
angle. The last angle must be 50º in order to add up to 180º.

Here’s  another one:    If   ,  then    what    is  i?*

*Don’t  know    what    those   lines   over    AB  and CD  are?    See

here.